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#!/bin/bash |
#!/bin/bash |
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# some default settings - gets overidden with the profile config |
# some default settings - gets overidden with the profile config |
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CDPROFILE="$1" |
CDPROFILE="$2" |
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[[ -z ${CDPROFILE} ]] && CDPROFILE="default" |
[[ -z ${CDPROFILE} ]] && CDPROFILE="default" |
6 |
LIVECDROOT="/mnt/MLIVECDBUILD/${CDPROFILE}" |
LIVECDROOT="/mnt/MLIVECDBUILD/${CDPROFILE}" |
7 |
CDCHROOTDIR="${LIVECDROOT}/chroot" |
CDCHROOTDIR="${LIVECDROOT}/chroot" |
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PROFILES_DIR="/usr/lib/mlivecdbuild/profiles" |
PROFILES_DIR="/usr/lib/mlivecdbuild/profiles" |
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GLOBAL_PROFILE="${PROFILES_DIR}/global" |
GLOBAL_PROFILE="${PROFILES_DIR}/global" |
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# get full path to isolinux.bin, may vary on multilib systems |
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if [[ -f /usr/share/syslinux/isolinux.bin ]] |
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then |
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ISOLINUX_BIN=/usr/share/syslinux/isolinux.bin |
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elif [[ -f /usr/lib64/mkinitrd/isolinux.bin ]] |
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then |
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ISOLINUX_BIN=/usr/lib64/mkinitrd/isolinux.bin |
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else |
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ISOLINUX_BIN=/usr/lib/mkinitrd/isolinux.bin |
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fi |
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die() { echo "ERROR: $@"; exit 1; } |
die() { echo "ERROR: $@"; exit 1; } |
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# get_profile $filename |
# get_profile $filename |
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|| die "bootstrapping toolchain" |
|| die "bootstrapping toolchain" |
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} |
} |
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custom_services() |
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{ |
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local cmd="$1" |
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local services="$2" |
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local systemdcmd |
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case ${cmd} in |
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add|del|default) |
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# add given services from profile |
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if [[ -n ${services} ]] |
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then |
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local i |
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for i in ${services} |
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do |
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# systemd |
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if [[ -x ${CDCHROOTDIR}/sbin/systemctl ]] |
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then |
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case ${cmd} in |
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add) chroot ${CDCHROOTDIR} systemctl enable ${i} ;; |
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del) chroot ${CDCHROOTDIR} systemctl disable ${i} ;; |
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esac |
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fi |
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# busybox and sysvinit |
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if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
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then |
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MROOT="${CDCHROOTDIR}" rc-config ${cmd} ${i} || die "rc ${cmd} ${i}" |
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fi |
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done |
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fi |
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;; |
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*) die "custom_services: unkown command ${cmd}";; |
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esac |
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} |
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add_initrc() |
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{ |
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local var="$1" |
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# sanity checks |
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[[ -z ${CDCHROOTDIR} ]] && die "\$CDCHROOTDIR not given." |
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echo "${var}" >> ${CDCHROOTDIR}/.installrc || die "add_initrc() adding \$var" |
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} |
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custom_packages() |
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{ |
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local cmd="$1" |
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local packages="$2" |
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case ${cmd} in |
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install|uninstall) |
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if [[ -n ${packages} ]] |
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then |
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:> ${CDCHROOTDIR}/.installrc |
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# respect proxies |
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[[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}" |
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[[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}" |
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[[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}" |
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# do not auto-start any services! |
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add_initrc "export MAGE_BOOTSTRAP=true" |
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add_initrc 'die() { if [ $? -eq 1 ]; then echo "ERROR: $@"; exit 1; fi; }' |
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local i |
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for i in ${packages} |
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do |
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add_initrc "mage ${cmd} ${i} || die ${i}" |
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done |
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add_initrc "mage clean" |
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# now run the .installrc script |
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mount -t proc proc ${CDCHROOTDIR}/proc || die "mount proc" |
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mount -t sysfs sysfs ${CDCHROOTDIR}/sys || die "mount sys" |
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mount -o bind /dev ${CDCHROOTDIR}/dev || die "mount dev" |
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chroot ${CDCHROOTDIR} /bin/bash -i /.installrc || die "chr00ting" |
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umount ${CDCHROOTDIR}/dev || die "umount dev" |
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umount ${CDCHROOTDIR}/proc || die "umount proc" |
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umount ${CDCHROOTDIR}/sys || die "umount sys" |
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[ -f ${CDCHROOTDIR}/.installrc ] && rm ${CDCHROOTDIR}/.installrc |
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fi |
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;; |
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*) die "custom_packages: unkown command ${cmd}";; |
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esac |
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} |
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read_config() |
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{ |
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local file="$1" |
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local pkg |
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( cat ${file}; echo ) | while read pkg |
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do |
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case "${pkg}" in |
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\#*|"") continue ;; |
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esac |
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echo "${pkg}" |
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done |
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} |
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prepare_iso() |
prepare_iso() |
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{ |
{ |
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echo Preparing LiveCD ISO Image ... |
echo Preparing LiveCD ISO Image ... |
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# fixes some issues with xfree/xorg xkb |
# fixes some issues with xfree/xorg xkb |
164 |
if [ -L "${CDCHROOTDIR}/etc/X11/xkb" -a -d "/usr/X11R6/lib/X11/xkb" ] |
if [[ -L ${CDCHROOTDIR}/etc/X11/xkb ]] && [[ -d /usr/X11R6/lib/X11/xkb ]] |
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then |
then |
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rm ${CDCHROOTDIR}/etc/X11/xkb || die |
rm ${CDCHROOTDIR}/etc/X11/xkb || die |
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mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die |
mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die |
168 |
ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die |
ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die |
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fi |
fi |
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install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die |
# only on sysvinit or busybox systems |
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if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
173 |
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then |
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install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die |
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fi |
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install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die |
install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die |
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install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die |
install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die |
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install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die |
install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die |
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install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 || die |
180 |
echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die |
echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die |
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echo Setting up services ... |
echo Setting up services ... |
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184 |
# change mountfs with mountfslivecd |
# # add hardware detection |
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MROOT="${CDCHROOTDIR}" rc-config del mountfs || die "rc del mountfs" |
# if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
186 |
MROOT="${CDCHROOTDIR}" rc-config add mountfslivecd || die "rc add mountfslivecd" |
# then |
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# MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect" |
188 |
# add hardware detection |
# fi |
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MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect" |
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# del checkfs |
# del checkfs |
191 |
MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs" |
if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] |
192 |
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then |
193 |
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MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs" |
194 |
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fi |
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# add custom packages |
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[[ -n ${ADD_PACKAGES} ]] && custom_packages install "${ADD_PACKAGES}" |
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[ -f $(get_profile add_packages) ] && custom_packages install "$(read_config $(get_profile add_packages))" |
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# del custom packages |
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[[ -n ${DEL_PACKAGES} ]] && custom_packages uninstall "${DEL_PACKAGES}" |
202 |
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[ -f $(get_profile del_packages) ] && custom_packages uninstall "$(read_config $(get_profile del_packages))" |
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# add given services from profile |
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[[ -n ${ADD_SERVICES} ]] && custom_services add "${ADD_SERVICES}" |
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[ -f $(get_profile add_services) ] && custom_services add "$(read_config $(get_profile add_services))" |
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# del given services from profile |
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[[ -n ${DEL_SERVICES} ]] && custom_services del "${DEL_SERVICES}" |
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[ -f $(get_profile del_services) ] && custom_services del "$(read_config $(get_profile del_services))" |
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# setup default runlevel |
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[[ -n ${DEFAULT_RUNLEVEL} ]] && custom_services default "${DEFAULT_RUNLEVEL}" |
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if [ -f $(get_profile prepare_custom) ] |
216 |
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then |
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echo Running custom user script ... |
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source $(get_profile prepare_custom) || die "running custom user script" |
219 |
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fi |
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echo Cleaning unwanted files ... |
echo Cleaning unwanted files ... |
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:> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab" |
# do this only if not a symlink! |
223 |
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if [[ ! -L ${CDCHROOTDIR}/etc/mtab ]] |
224 |
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then |
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:> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab" |
226 |
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fi |
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[ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history |
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} |
} |
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generate_rootfs() |
generate_rootfs() |
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{ |
{ |
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local loopdev |
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local size |
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if [ -f ${LIVECDROOT}/loop/LiveOS/ext3fs.img ] |
236 |
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then |
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rm ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
238 |
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fi |
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if [ -f ${CDISOROOT}/LiveOS/squashfs.img ] |
240 |
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then |
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rm ${CDISOROOT}/LiveOS/squashfs.img |
242 |
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fi |
243 |
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if [ -f ${CDISOROOT}/livecdrootfs.sqsh ] |
244 |
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then |
245 |
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rm ${CDISOROOT}/livecdrootfs.sqsh |
246 |
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fi |
247 |
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248 |
echo Generating squashfs compressed rootfs loopfile ... |
echo Generating squashfs compressed rootfs loopfile ... |
249 |
mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh #>/dev/null 2>&1 |
if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] |
250 |
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then |
251 |
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install -d ${LIVECDROOT}/loop/{LiveOS,mnt} || die |
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253 |
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# get the actual size of the chroot |
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size=$(du -s chroot | sed 's:^\(.*\)[[:space:]].*:\1:') |
255 |
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256 |
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# generate a ext3fs file for devicemapper |
257 |
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dd if=/dev/zero of=${LIVECDROOT}/loop/LiveOS/ext3fs.img bs=1024 count=$(( ${size} + 10 )) || die |
258 |
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# create a filesystem |
259 |
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mkfs.ext3 -L "_${CDID}_EXT3" -m 1 -b 1024 -F ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
260 |
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# set mount_counts and check_intervals to 0 |
261 |
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# set dir_index top, to speed up thing with hashed b-trees |
262 |
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# allow acls too |
263 |
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tune2fs -c0 -i0 -Odir_index -ouser_xattr,acl ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
264 |
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265 |
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# losetup the device |
266 |
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loopdev=$(losetup -f) |
267 |
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[[ -z ${loopdev} ]] && die "No unused loopdev found. Maybe you want 'modprobe loop'?" |
268 |
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269 |
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# mount the image |
270 |
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losetup ${loopdev} ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die |
271 |
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mount ${loopdev} ${LIVECDROOT}/loop/mnt || die |
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273 |
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# copy everything to the image file and preserve permissions |
274 |
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( cd ${CDCHROOTDIR} && tar cpf - . ) | ( cd ${LIVECDROOT}/loop/mnt && tar xvpf - ) |
275 |
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276 |
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# now umount everything and create the squashfs image |
277 |
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umount ${LIVECDROOT}/loop/mnt || die |
278 |
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losetup -d ${loopdev} || die |
279 |
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# remove mount to not ending up in the squashfs image |
280 |
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if [[ -d ${LIVECDROOT}/loop/mnt ]] |
281 |
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then |
282 |
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rm -r ${LIVECDROOT}/loop/mnt || die |
283 |
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fi |
284 |
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mksquashfs ${LIVECDROOT}/loop ${LIVECDROOT}/livecdrootfs.sqsh || die |
285 |
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286 |
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# final cleanup |
287 |
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if [[ -d ${LIVECDROOT}/loop ]] |
288 |
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then |
289 |
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rm -r ${LIVECDROOT}/loop || die |
290 |
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fi |
291 |
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else |
292 |
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mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh || die |
293 |
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fi |
294 |
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295 |
echo Moving rootfs loopfile to isoroot ... |
echo Moving rootfs loopfile to isoroot ... |
296 |
install -d ${CDISOROOT} |
install -d ${CDISOROOT} |
297 |
mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT} |
if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] |
298 |
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then |
299 |
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install -d ${CDISOROOT}/LiveOS |
300 |
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mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}/LiveOS/squashfs.img |
301 |
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else |
302 |
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mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT} |
303 |
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fi |
304 |
} |
} |
305 |
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306 |
install_bootloader() |
install_bootloader() |
309 |
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|
310 |
# iso linux binary |
# iso linux binary |
311 |
install -d ${CDISOROOT}/isolinux |
install -d ${CDISOROOT}/isolinux |
312 |
install /usr/lib/mkinitrd/isolinux.bin ${CDISOROOT}/isolinux || die |
install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux || die |
313 |
|
|
314 |
# kernel |
# kernel |
315 |
local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))" |
local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))" |
326 |
generate_initrd() |
generate_initrd() |
327 |
{ |
{ |
328 |
local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})" |
local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})" |
329 |
echo "DEBUG: ${CHROOTSH}" |
|
330 |
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is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys |
331 |
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is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc |
332 |
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is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev |
333 |
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|
334 |
echo Generating initrd image ... |
echo Generating initrd image ... |
335 |
echo '#!/bin/bash' > ${CHROOTSH} || die |
echo '#!/bin/bash' > ${CHROOTSH} || die |
336 |
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echo 'export LC_ALL=C' >> ${CHROOTSH} || die |
337 |
echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die |
echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die |
338 |
echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die |
echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die |
339 |
echo 'mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die |
# prefer dracut |
340 |
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echo 'if [[ -x /sbin/dracut ]]' >> ${CHROOTSH} || die |
341 |
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echo 'then' >> ${CHROOTSH} || die |
342 |
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echo ' dracut -v -f /initrd.gz ${kv}' >> ${CHROOTSH} || die |
343 |
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echo 'else' >> ${CHROOTSH} || die |
344 |
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echo ' mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die |
345 |
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echo 'fi' >> ${CHROOTSH} || die |
346 |
chmod +x ${CHROOTSH} || die |
chmod +x ${CHROOTSH} || die |
347 |
chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die |
chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die |
348 |
[[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die |
[[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die |
349 |
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|
350 |
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is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
351 |
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is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
352 |
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is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
353 |
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|
354 |
# move initrd to isoroot |
# move initrd to isoroot |
355 |
install -d ${CDISOROOT}/isolinux || die |
install -d ${CDISOROOT}/isolinux || die |
356 |
mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die |
mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die |
378 |
|
|
379 |
enter_livecd() |
enter_livecd() |
380 |
{ |
{ |
381 |
mount -t sysfs sysfs ${CDCHROOTDIR}/proc |
is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys |
382 |
mount -t proc proc ${CDCHROOTDIR}/proc |
is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc |
383 |
mount -o bind /dev ${CDCHROOTDIR}/dev |
is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev |
384 |
|
|
385 |
chroot ${CDCHROOTDIR} \ |
chroot ${CDCHROOTDIR} \ |
386 |
/usr/bin/env -i \ |
/usr/bin/env -i \ |
387 |
HOME=/root \ |
HOME=/root \ |
388 |
TERM=$TERM PS1='\u:\w\$ ' \ |
TERM=$TERM PS1='\u:\w\$ ' \ |
389 |
PATH=/bin:/usr/bin:/sbin:/usr/sbin \ |
PATH=/bin:/usr/bin:/sbin:/usr/sbin \ |
390 |
|
http_proxy=${http_proxy} \ |
391 |
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ftp_proxy=${ftp_proxy} \ |
392 |
|
no_proxy=${no_proxy} \ |
393 |
/bin/bash -i |
/bin/bash -i |
394 |
|
|
395 |
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is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
396 |
|
is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
397 |
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is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
398 |
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} |
399 |
|
|
400 |
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is_loc_mounted() |
401 |
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{ |
402 |
|
local filesys |
403 |
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local i |
404 |
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filesys=$1 |
405 |
|
|
406 |
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i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)" |
407 |
|
[[ ${i} != ${filesys} ]] && return 1 |
408 |
|
|
409 |
|
return 0 |
410 |
} |
} |
411 |
|
|
412 |
|
trap_exit() |
413 |
|
{ |
414 |
|
is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev |
415 |
|
is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc |
416 |
|
is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys |
417 |
|
} |
418 |
|
|
419 |
|
usage() |
420 |
|
{ |
421 |
|
echo "Usage: $(basename $0) [command] [profile] ..." |
422 |
|
echo |
423 |
|
echo "Commands:" |
424 |
|
echo " bootstrap - bootstraps the rootfs for the livecd" |
425 |
|
echo " prepare - prepare the rootfs to run from a livecd" |
426 |
|
echo " rootfs - generates the squashfs rootfs image" |
427 |
|
echo " initrd - generates a livecd suitable initrd" |
428 |
|
echo " bootloader - installs the bootloader" |
429 |
|
echo " isogen - generate the final livecd iso image" |
430 |
|
echo " all - runs all tasks to get a livecd from zero" |
431 |
|
echo " enter - enters the rootfs of a livecd" |
432 |
|
echo |
433 |
|
echo " for example '$(basename $0) all default'" |
434 |
|
echo " creates a livecd using the default profile." |
435 |
|
echo |
436 |
|
} |
437 |
|
|
438 |
|
# set some proper traps |
439 |
|
trap "trap_exit" SIGINT SIGQUIT |
440 |
|
|
441 |
# source profile config - overrides all other vars |
# source profile config - overrides all other vars |
442 |
[ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config |
[ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config |
443 |
|
|
444 |
bootstrap_system |
case $1 in |
445 |
prepare_iso |
bootstrap) bootstrap_system;; |
446 |
generate_rootfs |
prepare) prepare_iso;; |
447 |
generate_initrd |
rootfs) generate_rootfs;; |
448 |
install_bootloader |
initrd) generate_initrd;; |
449 |
generate_iso |
bootloader) install_bootloader;; |
450 |
|
isogen) generate_iso;; |
451 |
|
all) |
452 |
|
bootstrap_system |
453 |
|
prepare_iso |
454 |
|
generate_rootfs |
455 |
|
generate_initrd |
456 |
|
install_bootloader |
457 |
|
generate_iso |
458 |
|
;; |
459 |
|
enter) enter_livecd ;; |
460 |
|
*|'') usage;; |
461 |
|
esac |